xref: /netbsd-src/lib/libcurses/EXAMPLES/ex1.c (revision 1f2744e6e4915c9da2a3f980279398c4cf7d5e6d)
1 /*
2  * Copyright (c) 1992, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by the University of
17  *	California, Berkeley and its contributors.
18  * 4. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #ifndef lint
36 static char copyright[] =
37 "@(#) Copyright (c) 1992, 1993\n\
38 	The Regents of the University of California.  All rights reserved.\n";
39 #endif /* not lint */
40 
41 #ifndef lint
42 static char sccsid[] = "@(#)ex1.c	8.1 (Berkeley) 6/4/93";
43 #endif /* not lint */
44 #include <sys/types.h>
45 #include <curses.h>
46 #include <stdio.h>
47 #include <signal.h>
48 
49 
50 #define YSIZE 10
51 #define XSIZE 20
52 
53 int quit();
54 
55 main()
56 {
57 	int i, j, c;
58 	size_t len;
59 	char id[100];
60 	FILE *fp;
61 	char *s;
62 
63 	initscr();			/* Always call initscr() first */
64 	signal(SIGINT, quit);		/* Make sure wou have a 'cleanup' fn */
65 	crmode();			/* We want cbreak mode */
66 	noecho();			/* We want to have control of chars */
67 	delwin(stdscr);			/* Create our own stdscr */
68 	stdscr = newwin(YSIZE, XSIZE, 10, 35);
69 	flushok(stdscr, TRUE);		/* Enable flushing of stdout */
70 	scrollok(stdscr, TRUE);		/* Enable scrolling */
71 	erase();			/* Initially, clear the screen */
72 
73 	standout();
74 	move(0,0);
75 	while (1) {
76 		c = getchar();
77 		switch(c) {
78 		case 'q':		/* Quit on 'q' */
79 			quit();
80 			break;
81 		case 's':		/* Go into standout mode on 's' */
82 			standout();
83 			break;
84 		case 'e':		/* Exit standout mode on 'e' */
85 			standend();
86 			break;
87 		case 'r':		/* Force a refresh on 'r' */
88 			wrefresh(curscr);
89 			break;
90 		default:		/* By default output the character */
91 			addch(c);
92 			refresh();
93 		}
94 	}
95 }
96 
97 
98 int
99 quit()
100 {
101 	erase();		/* Terminate by erasing the screen */
102 	refresh();
103 	endwin();		/* Always end with endwin() */
104 	delwin(curscr);		/* Return storage */
105 	delwin(stdscr);
106 	putchar('\n');
107 	exit(0);
108 }
109 
110 
111 
112 
113